Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Idle Air Control (IAC) Valve - Cobra
Removal and Installation
1. Disconnect the idle air control (IAC) valve electrical connector.
2. Remove the bolts, the IAC valve and the gasket.
3. NOTE: Install a new gasket if necessary.
To install, reverse the removal procedure. ...
Fittings - R-Clip
Material
Item
Specification
SAE 5W-20 Super Premium
Synthetic Blend Motor Oil
XO-5W20-QSP or equivalent
WSS-M2C153-
H
Disconnect
WARNING: Do not smoke or carry lighted tobacco or open flame of any
type when
working on or near any fuel- ...
Key Release Button
Removal
1. Disconnect the battery ground cable.
2. Remove the ignition switch lock cylinder.
1. Insert the ignition key into the ignition switch lock cylinder and
turn to RUN position.
2. Push the ignition switch lock cylinder release tab with a p ...
